baber/WOPTO huggingface dataset:
Patent JP-2022528783-A (JP)
Title: 有効成分顆粒の連続製造のための方法
IPC: A61K9/20
Filed: 2020-04-09
Abstract: 有効成分顆粒の連続製造のための方法が提供され、その方法は、以下のステップ：（ａ）有効成分および任意選択で１つまたは複数の賦形剤を液体に溶解または分散させることによりスプレー組成物を調製する；（ｂ）プロセス空間に固体粒子を提供する；（ｃ）液体が蒸発するプロセス空間の注入ゾーンにスプレー組成物の液滴を導入する；（ｄ）プロセスガスジェットの助けを借りて、プロセス空間内の噴霧された液滴を固体粒子が繰り返し通過するように導くことにより、含まれる液体の一部を既に失っている可能性のある液滴の少なくとも一部が固体粒子と接触し、凝集によってより大きな固体粒子が形成される；（ｅ）固体粒子の形態でプロセス空間から有効成分顆粒を取り出す；を含み、使用される形態の有効成分は、１．１９以上のＨａｕｓｎｅｒ比を有する。【選択図】図３
Patent JP-2022529925-A (JP)
Title: スキープレス用モールドセット
IPC: B29C43/34
Filed: 2020-04-15
Abstract: スキープレス（２）に挿入用のモールドセットは、ベースプレート（４）、下部輪郭（５）、および下部発熱体（７）を有する下部構造と、スキーモールドが前記下部構造と上部構造との間に挿入できるように、カバープレート（１６）、上部輪郭（１５）、および上部発熱体を有する上部構造と、を有する。
Patent JP-2022530675-A (JP)
Title: 高度にスルホン化されたリグノスルホネートによる懸濁液濃縮物の安定化
IPC: A01P21/00
Filed: 2020-04-20
Abstract: 本発明は、a)有効成分の懸濁粒子;及びb)リグノスルホネートを含む水性農薬組成物に関する。本発明はまた、有効成分の懸濁粒子を含む水性農薬組成物を安定化するためのリグノスルホネートの使用に関する。更なる目的は、有効成分の懸濁粒子を含む水性農薬組成物を安定化する方法;寄生生物による侵入又は感染に対して動物を処置、防除、予防又は保護する方法;農薬組成物の調製方法;及び農薬組成物を含む植物繁殖材料である。【選択図】なし
Patent JP-2022533580-A (JP)
Title: トラマドールの濫用傾向を低減させながら疼痛を治療するためのトラマドールおよびセレコキシブからなる共結晶の使用
IPC: A61K47/10
Filed: 2020-05-13
Abstract: 本発明は、トラマドールに対する依存リスクを防いで疼痛を治療し、トラマドールの濫用傾向を低減させながら疼痛を治療し、またトラマドールに対する依存の発現率を低減させながら疼痛を治療し、トラマドールに対する依存を防いで疼痛を治療し、トラマドールに対する依存性またはそのリスクのある患者の疼痛を治療し、トラマドールに対する依存を抑制、遅延、低減、または食い止めて、疼痛を治療し、またはトラマドールに対する依存の発現率を低減させて疼痛を治療するための、トラマドールおよびセレコキシブからなる共結晶の使用に関する。【選択図】なし
Patent JP-2022535044-A (JP)
Title: １－フェニル－５－アジニルピラゾリル－３－オキシアルキル酸及び望ましくない植物成長を防除するためのそれらの使用
IPC: A01P13/00
Filed: 2020-05-29
Abstract: 本発明は、一般式（Ｉ）の化合物及びそれらの農薬的に適合性を有する塩（Ｉ）、さらにそれらの製造及び作物保護の分野における使用に関する。【化１】TIFF2022535044000249.tif42157
Patent JP-2022536412-A (JP)
Title: 「冷たい腫瘍」を標的とすることによるがんの治療方法
IPC: A61P43/00
Filed: 2020-06-12
Abstract: 4-[2-(4-アミノ-ピペリジン-1-イル)-5-(3-フルオロ-4-メトキシ-フェニル)-1-メチル-6-オキソ-1,6-ジヒドロ-ピリミジン-4-イル]-2-フルオロ-ベンゾニトリル(式(I)の化合物)またはその医薬的に許容される塩、およびリシン特異的脱メチル化酵素-1(LSD-1)の阻害に有用な化合物を含む医薬組成物を、必要な患者に投与することによる、がんまたは新生物疾患などの治療方法を提供する。さらに、本明細書に記載の組成物をRCOR2が発現している新生物細胞を有する患者に投与する方法を記載する。TIFF2022536412000010.tif85164
Patent JP-2022536951-A (JP)
Title: 環状ポリリボヌクレオチドを投与する方法
IPC: C12P21/02
Filed: 2020-06-19
Abstract: 本発明は、一般に、その環状ポリリボヌクレオチドの医薬組成物及び製剤を投与する方法に関する。【選択図】図１
Patent JP-2022536855-A (JP)
Title: 抗メソテリン抗体およびそのイムノコンジュゲート
IPC: C07K16/28
Filed: 2020-06-18
Abstract: 抗メソテリン抗体およびかかる抗体を含むコンジュゲート、ならびにがんなどの疾患の処置におけるかかるコンジュゲートの使用が、本明細書で開示される。本発明は、とりわけ、ヒトメソテリンに特異的に結合する抗メソテリン抗体を提供する。一部の態様では、抗メソテリン抗体は、リンカーを介して、細胞傷害剤または免疫刺激性化合物にコンジュゲートされる。一部の実施形態では、リンカーは、切断可能なリンカーである。他の実施形態では、リンカーは、非切断性リンカーである。
Patent JP-2022539002-A (JP)
Title: 炭化水素ストリームからｃｓ２を除去するためのプロセス
IPC: B01D15/02
Filed: 2020-06-23
Abstract: ＣＳ２を含有する炭化水素ストリームを、０～３００℃の範囲の温度で固体支持体に付着した一級および／または二級アミノ基保有炭化水素残基を含有する固体反応性ＣＳ２－スカベンジャーと接触させて、得られたＣＳ２と反応性ＣＳ２－スカベンジャーとの反応生成物を炭化水素ストリームから分離することを含む、ＣＳ２含有量が低減された炭化水素ストリームを生成するためのプロセス。【選択図】図１
Patent JP-2022537819-A (JP)
Title: テンショナ
IPC: F16H7/12
Filed: 2020-06-22
Abstract: ベース（１００）と、ベースから延びるシャフト（１２０）と、シャフトに揺動自在に係合するピボットアーム（１４０）と、ピボットアームとベースの間に配置されたトーションスプリング（１３０）と、ピボットアームの第１位置への軸方向移動によりピボットアーム部分（１４１）に協働的に係合可能なベース部分（１１１）と、ピボットアームを第１位置に保持するためにシャフトに係合するリムーバブル部材（１９０）とを備え、第１位置は、ピボットアームを第１移動範囲に制限し、ピボットアームはリムーバブル部材の除去により、第２位置へ向かって軸方向に移動可能であり、第２位置はピボットアームを第２移動範囲に制限するテンショナ（１０００）である。
Patent JP-2022538073-A (JP)
Title: 核酸のランダム化された構成標的化組込み
IPC: C12N5/10
Filed: 2020-06-26
Abstract: 本開示の主題は、組換えタンパク質、例えばモノクローナル抗体、並びにそれに由来する組成物、例えば二重特異性抗体、及び他の複雑なフォーマットのタンパク質、例えば膜タンパク質複合体、及び他の発現困難な分子を発現することができる宿主細胞を生成及び同定するための「ランダム化された構成標的化組込み」（本明細書では「ランダム化された鎖標的化組込み」とも呼ばれる）（ＲＣＴＩ）戦略に関する。【選択図】図１Ａ－１Ｂ
Patent JP-2022541386-A (JP)
Title: 調整可能な注入時間を有する薬物送達システム及び使用方法
IPC: A61M5/168
Filed: 2020-07-16
Abstract: 薬物送達デバイスは、注入されるべき薬物に関連する情報に基づいて計算された許容範囲内の注入時間にわたって薬物を注入するように構成されている。特に、注入されるべき薬物の識別、識別された薬物の注入時間の許容範囲の計算又は決定、注入時間の許容範囲内での個別化注入時間の決定、及び薬物が個別化注入時間にわたって放出されるように駆動部の送達速度の設定を可能にする薬物送達デバイスについて記載されている。
Patent JP-2023101184-A (JP)
Title: torque sensor
Inventor: TADA TAKESHI
IPC: G01L3/10
Filed: 2022-01-07
Abstract: To provide a torque sensor with which the work of locating a detection element between a pair of extension sections while inserting a first protrusion into a first insertion hole is facilitated.SOLUTION: A torque sensor 24 comprises: a pair of magnetism collecting members 43, 44; a substrate 47 on which a detection element 49 for detecting a magnetic flux induced to the magnetism collecting members 43, 44 is provided; and a housing having a second accommodation part that holds the pair of magnetism collecting members 43, 44 and accommodates the substrate 47. Each of the pair of magnetism collecting members 43, 44 has a ring, and an extending section 62 that extends in a first direction on the outside of the outer circumferential surface of the ring. The detection element 49 is located between the respective extending sections 62 of the magnetism collecting members 43, 44. The housing includes a first protrusion 81 that protrudes from an inner face 721a of a wall part 721 that defines the second accommodation part in a second direction in which the magnetism collecting members 43, 44 are juxtaposed. The substrate 47 has a first insertion hole 91 through which the first protrusion 81 is inserted. The first insertion hole 91 is a slot extending in the first direction.SELECTED DRAWING: Figure 4
Patent JP-2023103092-A (JP)
Title: Intravaginal insertion device, intravaginal insertion device set, and therapeutic method
Inventor: ARIMA HIROTAKA
IPC: A61M36/10
Filed: 2022-01-13
Abstract: To provide an intravaginal insertion device capable of improving intravaginal position stability, an intravaginal insertion device set, and a therapeutic method.SOLUTION: An intravaginal insertion device according to the present disclosure comprises: a shank for laying out an insertion passage extended in a central axis direction and capable of being subjected to insertion of a needle; an outer wall part that is arranged peripherally in the radial direction of the shank; and a movable part for moving the outer wall part in the radial direction of the shank.SELECTED DRAWING: Figure 1
Patent JP-2023104813-A (JP)
Title: Device and method for generating power using falling grain
Inventor: MUROI TAKAHITO
IPC: F03G3/00
Filed: 2022-01-18
Abstract: To provide a device and a method for generating power using falling grains that generate power using kinetic energy of grains falling through a chute pipe installed to a grain processing facility and provides effective use of the power as power source in the processing facility.SOLUTION: A power generation device using falling grains includes a power generating rotor installed in a chute pipe through which grains lifted by a lifting machine fall and are transferred to the next process, where the rotor has a rotation shaft projecting outside the chute pipe and connected to a power generator.SELECTED DRAWING: Figure 1
Patent JP-2023105665-A (JP)
Title: Member
Inventor: NOGUCHI AKIHITO
IPC: B29C33/42
Filed: 2022-01-19
Abstract: To provide a member which exhibits improved designability in a plane-shaped or curved surface-shaped design surface.SOLUTION: A resin molded article including a plane-shaped or curved surface-shaped design surface comprises, in a design surface, a first regions 11 of predetermined shape in which combinations of projecting ridges 1R arranged in parallel at intervals having fixed widths are formed, at least twelve first regions 11 sharing an apex 13 are provided on the design surface, any two first regions 11 having different modes of the projecting ridges 1R are arranged in such a manner that they are adjacent to each other through a virtual straight line L extending toward the outer peripheral side with the apex 13 as a starting point, thereby a second region 12 in which the first regions 11 are arranged without a gap over the whole circumference with the apex 13 as a center are formed.SELECTED DRAWING: Figure 5
Patent JP-2023107643-A (JP)
Title: Air conditioner for vehicle
Inventor: YAMASHITA KOHEI
IPC: B60H1/22
Filed: 2022-01-24
Abstract: To accurately calculate target pressure of outlet coolant pressure of a radiator and to appropriately and efficiently control temperature adjustment even during heating operation using a hot gas circuit.SOLUTION: An air conditioner for a vehicle includes: a coolant circuit R including a compressor 2 compressing coolant, an indoor heat exchanger (a radiator) 4 heating air to be supplied into a cabin by heat of the coolant, and an outdoor heat exchanger 7 exchanging heat of the coolant and the outside air; and a controller 100 controlling the coolant circuit. The coolant circuit has a hot gas circuit which has the coolant discharged by the compressor bypass the outdoor heat exchanger and flow in a suction side of the compressor via the radiator. The controller can execute a hot gas heating mode using the hot gas circuit, and in the hot gas heating mode, calculates target pressure PCO of outlet coolant pressure of the radiator on the basis of a pressure saturation temperature obtained subtracting the inlet side degree of superheat of the radiator from a target temperature TCO of the outlet coolant temperature of the radiator.SELECTED DRAWING: Figure 1
Patent JP-2022159983-A (JP)
Title: Illumination control device, imaging apparatus, and computer program
Inventor: KOGURE KENTARO
IPC: G03B11/00
Filed: 2022-01-26
Abstract: To achieve an illumination control device or the like capable of achieving both color reproducibility and S/N of an image in infrared illumination.SOLUTION: The Illumination control device includes a visible light measuring unit for measuring the amount of visible light components, an infrared illumination unit for irradiating infrared illumination, and a control unit for gradually changing the intensity of the infrared illumination by the infrared illumination unit in accordance with a reduction in the amount of the visible light component measured in the visible light measuring unit from a first threshold value to a second threshold value.SELECTED DRAWING: Figure 3
Patent JP-2023111480-A (JP)
Title: Pipe making machine and renovated pipe
Inventor: TANIMURO HIROHISA
IPC: B29C63/32
Filed: 2022-01-31
Abstract: To provide a pipe making machine capable of obtaining a renovated pipe with high strength in a renovated pipe in which a lining member is spirally wound and side edges of adjacent lining members are connected with a connecting member, and to provide a renovated pipe.SOLUTION: The pipe making machine 100 includes a spiral winding unit 1 for spirally winding a belt-shaped lining member 91 around a first axis X1, a connecting unit 2 for connecting adjacent side edges of a lining member 91 wound by a spiral winding device 1 with a connecting member 92, and a reinforcing unit 3 for attaching reinforcing member 93 to connecting member 92 in a state where adjacent side edges of lining member 91 are connected.SELECTED DRAWING: Figure 8
Patent JP-2022068245-A (JP)
Title: Robot parking device and handling method
IPC: E04H6/18
Filed: 2022-02-09
Abstract: PROBLEM TO BE SOLVED: To propose an alignment mechanism of a robot parking device. 
     SOLUTION: A robot parking device comprises some stacks of a container 10, the stack is arranged in a frame structure including an erect part and a horizontal grid provided above the stack, and the grid comprises rails substantially orthogonal on which a load handling device can travel. A car or a vehicle is arranged in the container 10 moved so as to enter and leave the stack by the robot handling device travelling on the grid. The car is stored in the grid at an approach point to be situated at a point below the stack. An alignment mechanism 230 comprises a series of movable belt means 240 movable relative to each other and relative to the container 10 and the movable belt means 240 operates so as to align a long axis of the vehicle with a long axis of the container 10 in which the vehicle is placed. 
     SELECTED DRAWING: Figure 20 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023116150-A (JP)
Title: harness clip
Inventor: HASE KAORU
IPC: H02G3/30
Filed: 2022-02-09
Abstract: To provide a harness clip which holds a wire harness and also functions as a fixing structure for a scuff plate.SOLUTION: A harness clip 1 comprises: a receiving part 2 that is fixed to a side sill panel 8; and a lid part 3 which can be opened and closed with respect to the reception part 2. The harness clip is for holding a wire harness 10 inserted into an inner space S surrounded by the receiving part 2 and the lid part 3. The harness clip 1 is provided with a fixing part 6 at the receiving part 2 for fixing a scuff plate 9 placed so as to cover the side sill panel 8.SELECTED DRAWING: Figure 10
Patent JP-2023117266-A (JP)
Title: Information processing device, information processing method and information processing program
Inventor: OKOCHI AKIRA
IPC: G01C21/34
Filed: 2022-02-10
Abstract: To improve guidance support performance in route guidance.SOLUTION: An information processing device selects a leading vehicle from other vehicles to follow an object vehicle targeted for route guidance. The information processing device includes: a determination part which determines whether a predetermined condition for re-selecting a leading vehicle is satisfied or not; and a selection part which selects a new leading vehicle replacing the current leading vehicle on the basis of a predetermined guide point included in a guide route presented as route guidance whenever the predetermined condition is determined to be satisfied.SELECTED DRAWING: Figure 3
Patent JP-2023117726-A (JP)
Title: Housing mounting structure
Inventor: YAJIMA SADAMU
IPC: H05K5/02
Filed: 2022-02-14
Abstract: To absorb dimensional errors and reduce defects during assembly.SOLUTION: In a housing mounting structure, a box-shaped casing having a bottom surface having a rib provided along the periphery and a side surface that is a surface adjacent to the bottom surface is attached to a mounting member having a first plate-shaped unit that is in contact with the rib, and a second plate-shaped unit that is in contact with the first plate-like unit. The first plate-like unit extends in a first direction and a second direction that are orthogonal to each other, and the second plate-like unit extends in a third direction (orthogonal to the first direction and the second direction) and in the first direction. The side surface is provided with a claw and a hole that protrude in the thickness direction of the side surface. The second plate-shaped unit is provided with an insertion hole into which the claw is inserted. The holes are provided on both sides of the claw in the first direction.SELECTED DRAWING: Figure 3
Patent JP-2023117795-A (JP)
Title: Method for producing slurry for insulating protective layer of secondary battery and apparatus for producing slurry for insulating protective layer of secondary battery
Inventor: HAYASHI HIDEKI
IPC: H01M4/139
Filed: 2022-02-14
Abstract: To suppress variation in the composition of an insulating protective layer slurry in a method for manufacturing an insulating protective layer slurry for a secondary battery.SOLUTION: A method for manufacturing a slurry for an insulating protective layer of a lithium ion secondary battery includes a calibration curve creation step (S1) of creating a calibration curve showing the relationship between particle size and compressibility for different particle sizes, a particle size measurement step (S2) of measuring the particle size of the insulating material and binding material to be introduced, a step (S3) of determining a mixture weight ratio to obtain a mixture weight ratio [%] to obtain the optimum compressibility by referring to the calibration curve so as to obtain the set compressibility, a powder mixing step (S4) of mixing the insulating material and the binding material at the determined mixing weight ratio [%], a step (S5) of charging a powder charging device of charging the mixed powder insulating material and binding material into the powder charging device, and a slurry manufacturing step (S6) of adding a solvent to the powder to create a slurry.SELECTED DRAWING: Figure 4
Patent JP-2022063311-A (JP)
Title: Method of estimating corroded spot on inner surface of sewer line and corroded spot detector
IPC: G01N21/84
Filed: 2022-02-15
Abstract: PROBLEM TO BE SOLVED: To surely investigate a spot in a sewer line where an air stagnation occurs, and to reliability estimate a corroded spot on an inner surface of the sewer line based on the investigation. 
     SOLUTION: A corroded spot detector 1 is put into a sewer line 31. No air stagnation is taking place since the sewer line is filled with sewage water 33 when the corroded spot detector 1 passes from L1 to L4. When the corroded spot detector 1 passes L5, an air stagnation 39 is taking place above the sewage water since sewage water 33 flows while the sewer line is not filled with the sewage water 33. No air stagnation is taking place since the sewer line is again filled with sewage water 33 when the corroded spot detector 1 reaches L6. The presence/absence of the air stagnation 39 is detected by a liquid level detection sensor 17 of the corroded spot detector 1. 
     SELECTED DRAWING: Figure 4 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023118569-A (JP)
Title: temperature control system
Inventor: HOSHINO MASARU
IPC: H01M10/633
Filed: 2022-02-15
Abstract: To enable appropriate temperature control for each of raising battery temperature and heating.SOLUTION: A temperature control system 1 includes an air-conditioning circuit 10, a battery temperature control circuit 20, a heat exchanger 30, a thermometer 42, and a control unit 40. The air-conditioning circuit 10 includes: a heating unit (a heater 14) that heats an air-conditioning heat medium; and an air-conditioning flow rate adjustment unit (a water pump 12) that adjusts a flow rate of the air-conditioning heat medium. The battery temperature control circuit 20 includes a battery flow rate adjustment unit (a water pump 22) that adjusts a flow rate of a battery heat medium. The control unit 40 performs variable control of the flow rate of at least one of the air-conditioning heat medium and the battery heat medium depending on a request for rising battery temperature, a request for indoor heating, and a battery temperature.SELECTED DRAWING: Figure 1
Patent JP-2022081499-A (JP)
Title: Ultrasonic motor, drive control system, optical equipment and vibrator
IPC: G02B7/04
Filed: 2022-02-17
Abstract: PROBLEM TO BE SOLVED: To provide a vibrator and an ultrasonic motor capable of showing a sufficient drive speed even when non-lead piezoelectric ceramics are used. 
     SOLUTION: Provided is an ultrasonic motor that comprises an annular ring-shaped vibrator, and an annular ring-shaped mobile body pressure-contacted with the vibrator. The vibrator consists of an annular ring-shaped diaphragm and an annular ring-shaped piezoelectric element. The piezoelectric element consists of an annular ring-shaped piece of piezoelectric ceramics, a common electrode provided on one surface of the piece of piezoelectric ceramics, and a plurality of electrodes provided on the other surface of the piece of piezoelectric ceramics. A lead content of the piezoelectric ceramics is less than 1000 ppm. The plurality of electrodes consist of two drive phase electrodes, one or more non-drive phase electrodes, and one or more detection phase electrodes. 
     SELECTED DRAWING: Figure 5 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023124215-A (JP)
Title: Information processing device, information processing system, information processing method, and program
Inventor: NAKADAI KENTA
IPC: G06Q20/00
Filed: 2022-02-25
Abstract: To provide a technique to further improve convenience for users in electronic settlement.SOLUTION: An information processing device comprises: an acquisition unit that performs terminal-to-terminal communication with a purchaser terminal used by a purchaser and acquires identification information that can uniquely identify the purchaser from the purchaser terminal; and a settlement request unit that, for the identification information acquired by the acquisition unit and a settlement request including amount information and based on pending of settlement being permitted, executes transmission of the settlement request after the pending has been cancelled.SELECTED DRAWING: Figure 1
Patent JP-2023124404-A (JP)
Title: Continuum robot system and method and program for controlling the same
Inventor: SATO KEI
IPC: B25J13/08
Filed: 2022-02-25
Abstract: To easily eliminate butting when a bendable body of a continuum robot is inserted into an object.SOLUTION: A continuum robot system comprises: a continuum robot 1 provided with a bendable body 11 configured to bend via a plurality of linear members W, a first drive source M for moving the linear members W, and a tension detection unit 21cf that detects tensions generated in the linear members W; a support base 2 provided with a movable stage 2a to which the continuum robot 1 is fitted and a second drive source 31 for sliding the movable stage 2a; and a control device 3 that executes control so as to stop the second drive source 31 or drive the second drive source 31 in a reverse direction if the tensions of the linear members W detected by the tension detection unit 21cf are in the same direction and at least one of them exceeds a prescribed value when the second drive source 31 is driven in the inserting direction of the bendable body 11 into an object.SELECTED DRAWING: Figure 15
Patent JP-2022132209-A (JP)
Title: fluorine-containing copolymer
Inventor: ISAKA TADAHARU
IPC: C08F214/26
Filed: 2022-02-28
Abstract: To provide a fluorine-containing copolymer which can obtain a beautiful injection molded article by molding by an injection molding method and can obtain a molded article which is excellent in wear resistance at 95°C, solvent crack resistance, low nitrogen permeability, rigidity at a high temperature of 75°C, tensile creep resistance properties at 150°C and durability against a repeated load.SOLUTION: There is provided a fluorine-containing copolymer containing a tetrafluoroethylene unit, a hexafluoropropylene unit and a perfluoro (propyl vinyl ether) unit, wherein the content of the hexafluoropropylene unit is 10.3 to 12.0 mass% based on the total monomer units, the content of the perfluoro (propyl vinyl ether) unit is 1.6 to 2.9 mass% based on the total monomer units and the melt flow rate at 372°C is 5.0 to 40.0 g/10 min.SELECTED DRAWING: None
Patent JP-2023130747-A (JP)
Title: Communication device, communication method, and optical communication system
Inventor: NAKAHIRA YOSHIHIRO
IPC: H04L12/44
Filed: 2022-03-08
Abstract: To perform resource allocation allowing flexible wavelength change even when requested to expand the band of a service or requested to extend the period of the service.SOLUTION: A master station device of an optical communication system of a time-wavelength division multiplexing system allocates a plurality of services provided to a subscriber terminal to any of the first to the K-th wavelengths. Resource allocation means allocates a service movable to another wavelength to a wavelength satisfying the value of a requested resource amount based on a result of comparison between the value of the requested resource amount of the service and the value of the resource amount of each wavelength, and allocates a service immovable to another wavelength to the wavelength satisfying the value of the requested resource amount based on a result of comparison between the value of an allowable resource amount obtained by adding up the value of the requested resource amount of the service and the value of an allowable amount that is likely to be necessary in the future and the value of the resource amount of each wavelength.SELECTED DRAWING: Figure 1